From 4bdb0d419dd3479098732eae0ce1615205bd97e9 Mon Sep 17 00:00:00 2001
From: Christian Kroll <chris@das-labor.org>
Date: Sun, 4 Dec 2011 06:31:48 +0000
Subject: [PATCH] added experimental driver for the ancient borg (not testet,
 yet!)

---
 borg_hw/Makefile          |   4 ++
 borg_hw/borg_hw_ancient.c | 119 ++++++++++++++++++++++++++++++++++++++
 borg_hw/config.in         |  27 ++++-----
 borg_hw/config_ancient.in |  18 ++++++
 profiles/borg-ancient     | 108 ++++++++++++++++++++++++++++++++++
 5 files changed, 259 insertions(+), 17 deletions(-)
 create mode 100644 borg_hw/borg_hw_ancient.c
 create mode 100644 borg_hw/config_ancient.in
 create mode 100644 profiles/borg-ancient

diff --git a/borg_hw/Makefile b/borg_hw/Makefile
index a3b95c9..748424f 100644
--- a/borg_hw/Makefile
+++ b/borg_hw/Makefile
@@ -46,6 +46,10 @@ ifeq ($(BORG_HW),HW_GIGABORG)
   SRC = borg_hw_gigaborg.c
 endif
 
+ifeq ($(BORG_HW),HW_ANCIENTBORG)
+  SRC = borg_hw_ancient.c
+endif
+
 ifeq ($(SRC),'')
   $(error no valid hardware driver selected )
 endif
diff --git a/borg_hw/borg_hw_ancient.c b/borg_hw/borg_hw_ancient.c
new file mode 100644
index 0000000..523da2c
--- /dev/null
+++ b/borg_hw/borg_hw_ancient.c
@@ -0,0 +1,119 @@
+#include <avr/interrupt.h>
+#include <avr/io.h>
+
+#undef WATCHDOG_ENABLED
+#ifdef WATCHDOG_ENABLED
+#  include <avr/wdt.h>
+#endif
+
+#include "../config.h"
+#include "../makros.h"
+#include "borg_hw.h"
+
+// define row port
+#ifndef ROWPORT
+#	define ROWPORT PORTA
+#endif
+#define ROWDDR DDR(ROWPORT)
+
+// define column port
+#ifndef COLPORT
+#	define COLPORT PORTC
+#endif
+#define COLDDR DDR(COLPORT)
+
+
+// buffer which holds the currently shown frame
+unsigned char pixmap[NUMPLANE][NUM_ROWS][LINEBYTES];
+
+
+SIGNAL(SIG_OUTPUT_COMPARE0)
+{
+	static unsigned char plane = 0;
+	static unsigned char row = 0;
+
+#ifdef WATCHDOG_ENABLED
+	// reset watchdog
+	wdt_reset();
+#endif
+
+	ROWPORT = 0;
+	row++;
+	if ((COLPORT <<= 1) == 0) {
+		row = 0;
+		COLPORT = 1;
+
+		if (++plane == NUMPLANE)
+		{
+			plane = 0;
+		}
+	}
+
+	for (unsigned char x = 0; x < 10; x++) {
+		asm volatile ("nop");
+	}
+
+	ROWPORT = pixmap[plane][row][0];
+}
+
+void timer0_off(){
+	cli();
+
+	COLPORT = 0;
+	ROWPORT = 0;
+
+#ifdef __AVR_ATmega644P__
+	TCCR0A = 0x00;
+	TCCR0B = 0x00;
+	TIMSK0 = 0;
+#else
+	TCCR0 = 0x00;
+	TIMSK = 0;
+#endif
+
+	sei();
+}
+
+static void timer0_on(){
+/* 	TCCR0: FOC0 WGM00 COM01 COM00 WGM01 CS02 CS01 CS00
+		CS02 CS01 CS00
+		 0    0    0       stop
+		 0    0    1       clk
+		 0    1    0       clk/8
+		 0    1    1       clk/64
+		 1    0    0       clk/256
+		 1    0    1       clk/1024
+
+*/
+
+#ifdef __AVR_ATmega644P__
+	TCCR0A = 0x02; // CTC Mode
+	TCCR0B = 0x03; // clk/64
+	TCNT0  = 0x00; // reset timer
+	OCR0   = 0x0A; // compare with this value
+	TIMSK0 = 0x02; // compare match Interrupt on
+#else
+	TCCR0  = 0x0B; // CTC Mode, clk/64
+	TCNT0  = 0x00; // reset timer
+	OCR0   = 0x0A; // compare with this value
+	TIMSK  = 0x02; // compare match Interrupt on
+#endif
+}
+
+void borg_hw_init(){
+	// switch all pins of both the row and the column port to output mode
+	ROWDDR = 0xFF;
+	COLDDR = 0xFF;
+
+	// switch off all rows and columns for now
+	COLPORT = 0;
+	ROWPORT = 0;
+
+	timer0_on();
+
+#ifdef WATCHDOG_ENABLED
+	// activate watchdog timer
+	wdt_reset();
+	wdt_enable(0x00); // 17ms watchdog
+#endif
+}
diff --git a/borg_hw/config.in b/borg_hw/config.in
index 16b561c..77caf23 100644
--- a/borg_hw/config.in
+++ b/borg_hw/config.in
@@ -10,14 +10,15 @@ int "Number of brightnes-levels" NUMPLANE 3
 
 choice 'Hardware Driver'			\
    "Borg-16                HW_BORG_16 \
-    Andre-borg             HW_BORG_ANDRE \
-    Laufschrift-borg	   HW_BORG_LS \
-    Laufschrift-borg-mh    HW_BORG_MH \
-    Borg-mini              HW_BORG_MINI \
+    Andre-Borg             HW_BORG_ANDRE \
+    Laufschrift-Borg	   HW_BORG_LS \
+    Laufschrift-Borg-MH    HW_BORG_MH \
+    Borg-Mini              HW_BORG_MINI \
     Panel-One              HW_PANEL_ONE \
     4xPD1165               HW_PD1165 \
-    PingPong               HW_PINGPONG \
-    Gigaborg               HW_GIGABORG" \
+    Ping-Pong              HW_PINGPONG \
+    Giga-Borg              HW_GIGABORG \
+    Ancient-Borg           HW_ANCIENTBORG" \
    'Borg-16' BORG_HW
 
 
@@ -61,17 +62,9 @@ if [ "$BORG_HW" == "HW_GIGABORG" ] ; then
   source borg_hw/config_gigaborg.in
 fi
 
-
-
-
-#		case $x in
-#		y) flag="*" ;;
-#		m) flag="M" ;;
-#		*) flag=" " ;;
-#		esac
-
-
-
+if [ "$BORG_HW" == "HW_ANCIENTBORG" ] ; then
+  source borg_hw/config_ancient.in
+fi
 
 endmenu
 
diff --git a/borg_hw/config_ancient.in b/borg_hw/config_ancient.in
new file mode 100644
index 0000000..41fb59b
--- /dev/null
+++ b/borg_hw/config_ancient.in
@@ -0,0 +1,18 @@
+mainmenu_option next_comment
+comment "Ancient Borg Port Setup"
+
+choice 'Column Port'			\
+   "PORTA  PORTA \
+    PORTB  PORTB \
+    PORTC  PORTC \
+    PORTD  PORTD" \
+   'PORTC' COLPORT
+
+choice 'Row Port'			\
+   "PORTA  PORTA \
+    PORTB  PORTB \
+    PORTC  PORTC \
+    PORTD  PORTD" \
+   'PORTA' ROWPORT
+
+endmenu
diff --git a/profiles/borg-ancient b/profiles/borg-ancient
new file mode 100644
index 0000000..5a5fdee
--- /dev/null
+++ b/profiles/borg-ancient
@@ -0,0 +1,108 @@
+#
+# Automatically generated by make menuconfig: don't edit
+#
+
+#
+# General Setup
+#
+MCU=atmega32
+FREQ=16000000
+
+#
+# Borg Hardware
+#
+NUM_ROWS=8
+NUM_COLS=8
+NUMPLANE=3
+BORG_HW=HW_ANCIENTBORG
+
+#
+# Ancient Borg Port Setup
+#
+COLPORT=PORTC
+ROWPORT=PORTA
+
+#
+# Features
+#
+RANDOM_SUPPORT=y
+# LAP_TIME_EXTENSION is not set
+SCROLLTEXT_SUPPORT=y
+SCROLLTEXT_FONT=FONT_ARIAL8
+SCROLLTEXT_BUFFER_SIZE=128
+SCROLL_X_SPEED=20
+SCROLL_Y_SPEED=20
+SCROLLTEXT_TEXT="</#www.das-labor.org"
+# JOYSTICK_SUPPORT is not set
+# CAN_SUPPORT is not set
+# MENU_SUPPORT is not set
+
+#
+# Games
+#
+# GAME_TETRIS_CORE is not set
+# GAME_TETRIS is not set
+# GAME_BASTET is not set
+# GAME_TETRIS_FP is not set
+# GAME_SPACE_INVADERS is not set
+# GAME_SNAKE is not set
+# GAME_BREAKOUT is not set
+
+#
+# Animations
+#
+ANIMATION_SCROLLTEXT=y
+ANIMATION_SPIRAL=y
+ANIMATION_JOERN1=y
+ANIMATION_SNAKE=y
+SNAKE_CYCLE_DELAY=100
+SNAKE_TERMINATION_DELAY=60
+SNAKE_MAX_LENGTH=64
+SNAKE_MAX_APPLES=10
+ANIMATION_CHECKERBOARD=y
+ANIMATION_FIRE=y
+FIRE_S=30
+FIRE_N=5
+FIRE_DIV=44
+FIRE_DELAY=50
+FIRE_CYCLES=800
+ANIMATION_MATRIX=y
+MATRIX_STREAMER_NUM=30
+MATRIX_CYCLES=500
+ANIMATION_RANDOM_BRIGHT=y
+# ANIMATION_STONEFLY is not set
+ANIMATION_FLYINGDOTS=y
+ANIMATION_GAMEOFLIFE=y
+GOL_DELAY=100
+GOL_CYCLES=360
+# ANIMATION_BREAKOUT is not set
+# ANIMATION_MHERWEG is not set
+# ANIMATION_LTN_ANT is not set
+# ANIMATION_TIME is not set
+TIME_MASTER_ADDR=00
+TIME_UPDATE_TIMEOUT=50
+# ANIMATION_BMSCROLLER is not set
+# ANIMATION_LABORLOGO is not set
+# ANIMATION_AMPHIBIAN is not set
+# ANIMATION_LOGO_OOS is not set
+# ANIMATION_LOGO_28C3 is not set
+ANIMATION_PLASMA=y
+ANIMATION_PSYCHEDELIC=y
+# ANIMATION_TESTS is not set
+# ANIMATION_OFF is not set
+
+#
+# small Animations
+#
+# SMALLANIMATION_ROWWALK is not set
+SMALLANIMATION_ROWWALK_SPEED=50
+SMALLANIMATION_ROWWALK_COUNT=10
+# SMALLANIMATION_COLWALK is not set
+SMALLANIMATION_COLWALK_SPEED=50
+SMALLANIMATION_COLWALK_COUNT=10
+# SMALLANIMATION_ROWBOUNCE is not set
+SMALLANIMATION_ROWBOUNCE_SPEED=50
+SMALLANIMATION_ROWBOUNCE_COUNT=10
+# SMALLANIMATION_COLBOUNCE is not set
+SMALLANIMATION_COLBOUNCE_SPEED=50
+SMALLANIMATION_COLBOUNCE_COUNT=10